
"""simple docstring"""



from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_tf_available,
    is_tokenizers_available,
    is_torch_available,
)


__lowercase						:     Optional[int]							      =		{
    """configuration_blenderbot""": [
        """BLENDERBOT_PRETRAINED_CONFIG_ARCHIVE_MAP""",
        """BlenderbotConfig""",
        """BlenderbotOnnxConfig""",
    ],
    """tokenization_blenderbot""": ["""BlenderbotTokenizer"""],
}

try:
 if not is_tokenizers_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 __lowercase						:     Dict							      =		["""BlenderbotTokenizerFast"""]

try:
 if not is_torch_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 __lowercase						:     List[str]							      =		[
     """BLENDERBOT_PRETRAINED_MODEL_ARCHIVE_LIST""",
     """BlenderbotForCausalLM""",
     """BlenderbotForConditionalGeneration""",
     """BlenderbotModel""",
     """BlenderbotPreTrainedModel""",
 ]


try:
 if not is_tf_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 __lowercase						:     Any							      =		[
     """TFBlenderbotForConditionalGeneration""",
     """TFBlenderbotModel""",
     """TFBlenderbotPreTrainedModel""",
 ]


try:
 if not is_flax_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 __lowercase						:     Optional[Any]							      =		[
     """FlaxBlenderbotForConditionalGeneration""",
     """FlaxBlenderbotModel""",
     """FlaxBlenderbotPreTrainedModel""",
 ]


if TYPE_CHECKING:
 from .configuration_blenderbot import (
     BLENDERBOT_PRETRAINED_CONFIG_ARCHIVE_MAP,
     BlenderbotConfig,
     BlenderbotOnnxConfig,
 )
 from .tokenization_blenderbot import BlenderbotTokenizer

 try:
  if not is_tokenizers_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .tokenization_blenderbot_fast import BlenderbotTokenizerFast

 try:
  if not is_torch_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_blenderbot import (
      BLENDERBOT_PRETRAINED_MODEL_ARCHIVE_LIST,
      BlenderbotForCausalLM,
      BlenderbotForConditionalGeneration,
      BlenderbotModel,
      BlenderbotPreTrainedModel,
  )

 try:
  if not is_tf_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_tf_blenderbot import (
      TFBlenderbotForConditionalGeneration,
      TFBlenderbotModel,
      TFBlenderbotPreTrainedModel,
  )

 try:
  if not is_flax_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_flax_blenderbot import (
      FlaxBlenderbotForConditionalGeneration,
      FlaxBlenderbotModel,
      FlaxBlenderbotPreTrainedModel,
  )

else:
 import sys

 __lowercase						:     Union[str, Any]							      =		_LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)
def 	lowerCamelCase					(	UpperCamelCase     :				int							)   ->    bool:
		_lowerCamelCase				   =  (1 + 24 * n) ** 0.5
		return ((1 + root) / 6) % 1 == 0


def 	lowerCamelCase					(	UpperCamelCase     :				int = 50_00							)   ->    int:
		_lowerCamelCase				   =  [(i * (3 * i - 1)) // 2 for i in range(1			,       UpperCamelCase							)]
		for i, pentagonal_i in enumerate(UpperCamelCase							):
				for j in range(UpperCamelCase			,       len(UpperCamelCase							)							):
						_lowerCamelCase				   =  pentagonal_nums[j]
						_lowerCamelCase				   =  pentagonal_i + pentagonal_j
						_lowerCamelCase				   =  pentagonal_j - pentagonal_i
						if is_pentagonal(UpperCamelCase							) and is_pentagonal(UpperCamelCase							):
								return b

		return -1


if __name__ == "__main__":
				print(F'''{solution() = }''')